Thinking about replacing the high-pressure pump or common rail injectors on your Cummins engine? But how do you know when it’s time? What are your options?
In this post, we’re taking a look at the symptoms of a failing fuel system, as well as what options you have for your Cummins engine.
Symptoms Your Cummins ISB Fuel System Is Failing
If you’re experiencing one or more of these symptoms, it could mean your fuel system is failing:
- Reduced power
- Decreased fuel economy
- Increased emissions
- Rough running
When replacing your fuel system components, make the right choice! Purchasing high-quality replacement parts from Bosch is always a safe option.
REPLACEMENT OPTIONs FOR YOUR High-Pressure Fuel Pump

Key Features
- Produced with new and reconditioned OE components
- Built on Bosch designed tooling fixtures and equipment
- End-of-line testing using exact OE test specifications
- Guaranteed to meet all emission specifications
- 1-Year Unlimited Mileage Warranty
REPLACEMENT OPTIONs FOR YOUR Common Rail Fuel Injector
Key Features
- Produced and tested using the latest OEM technology and tooling available
- Built on Bosch designed tooling fixtures and equipment
- End-of-line testing using exact OE test specifications
- Guaranteed to meet all emission specifications
- 1-Year Unlimited Mileage Warranty
Why Shop Fuel Systems from HHP?
If you’re looking for quieter performance, improved fuel economy, and lower emissions for your Cummins engine, look no further than these fuel system components from Bosch. Backed by a 1-Year Unlimited Mileage Warranty and the industry’s leading service reps.
Highway & Heavy Parts has the fuel pumps and injectors you need! If your fuel system is failing, then it’s time to give us a call.
Ready for a new fuel system, or any other diesel engine parts? Our ASE certified technicians are ready to help you find what you need! Call us at 844-304-7688, or request a quote online!
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